
Chemistry
Authored by Sroeurn Dalis
Chemistry
10th Grade
Used 4+ times

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13 questions
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1.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
1. សរសេរនិងថ្លឹងសមីការ៖
Zn + CuSO4 ឲ្យផលជា ZnSO4 + Cu
Zn + CuSO4 ឲ្យផលជា 2 ZnSO4 + Cu
Zn + 2CuSO4 ឲ្យផលជា ZnSO4 + 2Cu
2Zn + 2CuSO4 ឲ្យផលជា 2ZnSO4 + 2Cu
2.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
K2O + H2O ឲ្យផលជា 2 KOH
A . True
B. False
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
3. តើ BaCl2 ជាអ្វី?
ក. អាស៊ីត
ខ. អំបិល
គ. បាស
ឃ. អុកស៊ីត
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
៤. សំណប៉ាហាំង2ក្លរួមានរូបមន្តដូចម្ដេច?
SnCl5
SnCl2
PbCl2
CaCl2
5.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
5. គណនាចំនួនណឺត្រុងរបស់ 4020Ca
n = 29
n =20
n =12
n =40
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
6. សមាសធាតុដែលម៉ូលេគុលវាបង្កឡើងដោយអាតូមលោហៈនិងរ៉ាឌីកាល់ហៅថា
អំបិល
អាស៊ីត
អុកស៊ីត
បាស
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
៧. សមាសធាតុដែលម៉ូលេគុលវាបង្កឡើងដោយអាតូមលោហៈនិងបង្គុំអ៊ីដ្រុកស៊ីលហៅថា
អំបិល
អាស៊ីត
អុកស៊ីត
បាស
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